Sources & Citations Policy

We aim to base our tools and articles on authoritative, primary sources. This page explains what we cite, how we choose sources, and how we keep them current.

What we consider authoritative

We prefer primary and official sources: government agencies and regulators, standards bodies, peer-reviewed research, and official documentation. For finance and tax topics we rely on the relevant authority for each region; for health topics we rely on recognized public-health and clinical references; for technical conversions we rely on published standards.

How we cite

Where a tool or article depends on a specific figure, formula, or rule, we name the source on the page and, where possible, link to it. Comparison and explanatory content links out to the references a reader would need to check our work. We do not present third-party data as our own.

Keeping sources current

Time-sensitive figures are dated and reviewed on a recurring schedule so that, for example, a tax or benefit estimate reflects the year it claims to. When a source is updated, we update the tool and note the review date.

Not professional advice

Citing a source does not make our output professional advice. Our content is for general information and education. For decisions with significant health, financial, or legal consequences, consult a qualified professional. See our disclaimer for the full statement.